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<?php var_dump(mb_split('-', 'e-a')); //works fine on any version var_dump(mb_split('-', 'é-a')); // works if string is UTF8 encoded // return "false" with an ISO encoded string on PHP 7.2.18
Output for git.master, git.master_jit, rfc.property-hooks
array(2) { [0]=> string(1) "e" [1]=> string(1) "a" } array(2) { [0]=> string(2) "é" [1]=> string(1) "a" }

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